<div class="rights_box">
  <el-tabs v-model="activeName">
    <el-tab-pane label="折线图" name="first">
      <div ref="line" class="line">

      </div>
    </el-tab-pane>
    <el-tab-pane label="配置管理" name="second">
      <div ref="peizhi" class="line"></div>
    </el-tab-pane>
    <el-tab-pane label="角色管理" name="third">
      <div ref="juese" class="line"></div>
    </el-tab-pane>
    <el-tab-pane label="定时任务补偿" name="fourth">
      <div ref="dingshi" class="line"></div>
    </el-tab-pane>
  </el-tabs>
</div>